Nonwoven substrates having fibrils
OwnerBrian Udengaard, Olaf Erik Alexander Isele +1inventors
InventorsBrian Udengaard, Olaf Erik Alexander Isele, Calvin Hoi Wung Cheng
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Abstract
The present invention relates to a nonwoven substrate comprising a layer of fibers, wherein a plurality of the fibers each comprise a plurality of fibrils extending outwardly from a surface of the fibers, and wherein the plurality of fibrils comprise a lipid ester.
Claims16
A nonwoven substrate comprising a layer of fibers, wherein a plurality of the fibers each comprise a plurality of fibrils extending outwardly from a surface of the fibers, and wherein the plurality of fibrils comprise a lipid ester.
A nonwoven substrate comprising a layer of fibers, wherein the layer of fibers comprises a plurality of bonds, each bond comprising a bond area, and wherein a plurality of fibrils extend outwardly from a surface of at least one of the bond areas.
A nonwoven substrate comprising a layer of fibers, wherein a plurality of the fibers comprise fibrils extending outwardly therefrom only after a time period, and wherein the time period is greater than about 24 hours post-nonwoven substrate formation under ambient conditions.
Dependencies are inferred from the claim text.